Idaho Smoke Map

Idaho Smoke Map Legend

**(Preliminary Data Warning: Data found on the map shown below is preliminary and is subject to change. Data is in local standard time format - no adjustment for daylight savings time. The map is not able to display the temporary monitors. Check the AIR QUALITY NOW tab below for links for these monitors.

Friday, August 16, 2013

8/16/13 Idaho DEQ Smoke Forecast

Updated Noon MDT August 16, 2013
Valid through noon MDT Monday, August 19, 2013 

Smoke Outlook

Idaho DEQ has issued a Stage 1 Forecast and Caution for Camas, Blaine, Elmore, Boise, Custer, and Lemhi Counties due to wildfire smoke.   These are effective through Monday, August 19 at which time they will be re-evaluated.

The Ketchum/Hailey area is currently experiencing Hazardous air quality due to smoke from the Beaver Creek fire.  Significant smoke impacts are expected to continue in the Ketchum/Hailey area through Monday morning.  Other areas in the central Idaho Mountains are experiencing air quality in the moderate to unhealthy for sensitive groups.  Air quality is forecasted to be in the Very Unhealthy with periods in the Hazardous for Ketchum/Hailey and moderate to unhealthy for sensitive groups for other areas in the central Idaho mountains. 

Air quality has improved to the Moderate category in the southeast Boise/Mountain Home area.  Air quality is expected to improve this afternoon.  However, the smoke is expected to move back into the Mountain Home area during the night.  Tomorrow, air quality in the southeast Boise/Mountain Home area is expected to be in the moderate to unhealthy for sensitive groups category.  DEQ is now issuing an air quality forecast for Mountain Home on its website.  Visit (Select Mountain Home from the dropdown menu.)  Air quality is forecasted to be in the Unhealthy for Sensitive Groups in Boise and Unhealthy in Mountain Home. 

Sensitive groups such as people with heart and/or lung disease, adults over age 65, young children, and pregnant women should avoid all outdoor activities until air quality improves. Everyone else should minimize outdoor activities.  When air quality is in the hazardous category (visibility of less than 1 mile) everyone should stay indoors and avoid exertion.

Light west-southwest winds will continue to transport smoke from the fires in Elmore County and near Fairfield towards the central Idaho mountains area, including areas in and around Stanley and Ketchum.  Southeast Treasure Valley and Mountain Home areas are expected to have moderate smoke impacts during the morning hours due to smoke from the Elk Complex fires throughout the weekend.  The smoke is expected to partially dissipate in the afternoon each day. However, the smoke will drain back into the areas during the nighttime and morning hours.  Smoke from the fires in northern California is expected to reach Idaho on Sunday.   Light smoke impacts are expected to occur in most areas of the state on Sunday.

5 emergency monitors have been installed in Idaho to help monitor smoke impacts from wildfires:

o    Fairfield – #Idaho1000
o    Mountain Home - #Idaho1002

o    Lowman monitor is Smoke#19
o    Atlanta monitor is Smoke#13
o    Challis monitor is Smoke#21
o    Users should be aware that the Forest Service site reports the data in Coordinated Universal Time (UTC).  To convert from UTS to Mountain Daylight Time, subtract 6 hours.

View DEQ near-real time monitoring at:

Visit the Idaho Smoke Information Blog at:

Smoke forecasts are dependent on predicted fire growth and weather.  If conditions change unexpectedly, impacts could occur.  When visibility starts to go below 5 miles, sensitive groups should minimize outdoor activities.  Everyone else should minimize prolonged or physical activity outdoors.  Refer to the Smoke and Health Tab on the Idaho Smoke Information Blog for additional health information. 

Your eyes are your best tools to determine if it’s safe to be outside.  Even if you smell smoke, the air quality may still be good. 

AQI Category
Visibility (miles)
Unhealthy for Sensitive Groups
Very Unhealthy
Less than 1

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